Analysis of Voluntary Environmental Behavior and Innovation Quality of Chinese Textile Enterprises Based on Grounded Theory and Propensity Score Matching

Table 10

Balance test before and after covariable matching (VER).

Variable	Unmatched	Mean		%bias	%reduct	t-test		V(T)/V(C)
	Matched	Treated	Control		bias	t	> t
Ind	U	2.1747	2.0311	14.8		2.72	0.007	1
	M	2.1747	2.272	−10	32.3	−1.48	0.138	0.86
Own	U	0.76632	0.79076	−5.9		−1.09	0.274
	M	0.76632	0.72758	9.3	−58.5	1.37	0.17
Reg	U	5.7747	5.7874	−0.3		−0.05	0.961	0.98
	M	5.7747	6.0576	−5.9	−2134.5	−0.9	0.368	0.95
Size	U	4.90E+09	2.70E+09	27.5		5.27	0	1.42
	M	4.90E+09	4.00E+09	11	59.9	1.6	0.11	1.09
IIR	U	0.12716	0.15176	−3.1		−0.48	0.628	0.06
	M	0.12716	0.12831	−0.1	95.3	−0.06	0.95	0.79
ROA	U	0.05293	0.04712	7		1.21	0.226	0.49
	M	0.05293	0.06317	−12.4	−76.5	−1.86	0.063	0.45